GB201405436D0 - Multi-species Spectroscopy - Google Patents

Multi-species Spectroscopy

Info

Publication number
GB201405436D0
GB201405436D0 GB201405436A GB201405436A GB201405436D0 GB 201405436 D0 GB201405436 D0 GB 201405436D0 GB 201405436 A GB201405436 A GB 201405436A GB 201405436 A GB201405436 A GB 201405436A GB 201405436 D0 GB201405436 D0 GB 201405436D0
Authority
GB
United Kingdom
Prior art keywords
spectroscopy
species
species spectroscopy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB201405436A
Other versions
GB2524545A (en
GB2524545B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Michell Instruments Ltd
Original Assignee
Michell Instruments Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Michell Instruments Ltd filed Critical Michell Instruments Ltd
Priority to GB1405436.5A priority Critical patent/GB2524545B/en
Publication of GB201405436D0 publication Critical patent/GB201405436D0/en
Priority to US14/666,912 priority patent/US20150280399A1/en
Priority to EP15160665.4A priority patent/EP2924821B1/en
Publication of GB2524545A publication Critical patent/GB2524545A/en
Application granted granted Critical
Publication of GB2524545B publication Critical patent/GB2524545B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/0607—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature
    • H01S5/0612—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature controlled by temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/024—Arrangements for thermal management
    • H01S5/02407—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/024—Arrangements for thermal management
    • H01S5/02407—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling
    • H01S5/02415—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling by using a thermo-electric cooler [TEC], e.g. Peltier element
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • G01N2021/396—Type of laser source
    • G01N2021/399—Diode laser
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/061—Sources
    • G01N2201/06113—Coherent sources; lasers
    • G01N2201/0612—Laser diodes
GB1405436.5A 2014-03-26 2014-03-26 A tuning system for a tuneable diode laser spectroscopy device comprising a thermo electric cooler and a further cooler Active GB2524545B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1405436.5A GB2524545B (en) 2014-03-26 2014-03-26 A tuning system for a tuneable diode laser spectroscopy device comprising a thermo electric cooler and a further cooler
US14/666,912 US20150280399A1 (en) 2014-03-26 2015-03-24 Tuning System for a Tuneable Diode Laser Spectroscopy Device comprising a Thermo Electric Cooler and a further Cooler
EP15160665.4A EP2924821B1 (en) 2014-03-26 2015-03-24 A tuning system for a tuneable diode laser spectroscopy device comprising a thermo electric cooler and a stirling cooler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1405436.5A GB2524545B (en) 2014-03-26 2014-03-26 A tuning system for a tuneable diode laser spectroscopy device comprising a thermo electric cooler and a further cooler

Publications (3)

Publication Number Publication Date
GB201405436D0 true GB201405436D0 (en) 2014-05-07
GB2524545A GB2524545A (en) 2015-09-30
GB2524545B GB2524545B (en) 2016-06-08

Family

ID=50686966

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1405436.5A Active GB2524545B (en) 2014-03-26 2014-03-26 A tuning system for a tuneable diode laser spectroscopy device comprising a thermo electric cooler and a further cooler

Country Status (3)

Country Link
US (1) US20150280399A1 (en)
EP (1) EP2924821B1 (en)
GB (1) GB2524545B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3142201A1 (en) * 2015-09-11 2017-03-15 Michell Instruments Ltd. A tuning system for a tuneable diode laser spectroscopy device comprising a termo electric cooler and a further cooler

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017807A (en) * 1976-02-23 1977-04-12 The United States Of America As Represented By The Secretary Of The Navy Electronically controlled digital laser
JP2796648B2 (en) * 1991-07-01 1998-09-10 東京瓦斯株式会社 Gas detector
US5500768A (en) * 1993-04-16 1996-03-19 Bruce McCaul Laser diode/lens assembly
US5615052A (en) * 1993-04-16 1997-03-25 Bruce W. McCaul Laser diode/lens assembly
JP2002353551A (en) * 2001-05-25 2002-12-06 Fuji Photo Film Co Ltd Semiconductor laser device
JP4016655B2 (en) * 2001-12-26 2007-12-05 日本電気株式会社 Optical amplifier gain measuring apparatus and optical amplifier gain measuring method
US20070121689A1 (en) * 2003-09-22 2007-05-31 Snake Creek Lasers Llc Methods for Producing Diode-Pumped Micro Lasers
JP2006277417A (en) * 2005-03-29 2006-10-12 Fujitsu Ltd Cooling controller and cooling control method
JP2007088266A (en) * 2005-09-22 2007-04-05 Sony Corp Laser light source device and optical device
US20080089369A1 (en) * 2006-10-16 2008-04-17 Pavilion Integration Corporation Injection seeding employing continuous wavelength sweeping for master-slave resonance
US8059277B2 (en) * 2007-08-27 2011-11-15 Axsun Technologies, Inc. Mode hopping swept frequency laser for FD OCT and method of operation
JP5208200B2 (en) * 2008-03-18 2013-06-12 三菱電機株式会社 Semiconductor module
JP2011119342A (en) * 2009-12-01 2011-06-16 Miyachi Technos Corp Laser diode cooling mechanism and laser device equipped with the same
CN102859298B (en) * 2010-01-06 2016-08-03 诺瓦特安斯集团有限公司 Thermoelectric cooling system and electronic installation cooling means
US20130322472A1 (en) * 2012-05-29 2013-12-05 Mars Technology Wavelength selective and tunable laser device

Also Published As

Publication number Publication date
GB2524545A (en) 2015-09-30
GB2524545B (en) 2016-06-08
EP2924821A1 (en) 2015-09-30
EP2924821B1 (en) 2018-04-25
US20150280399A1 (en) 2015-10-01

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Legal Events

Date Code Title Description
S73 Revocation on comptroller's initiative (section 73/patents act 1977)

Free format text: PATENT REVOKED; PATENT REVOKED UNDER THE SECTION 73(2) ON 27 MAY 2020